Infection Control

Question 1

patterns of sensitivity and resistance to
antimicrobial agents in bacteria, can often be
used in the investigation of an outbreak

Answer 1

Antiobiograms

Question 2

Their main use is in the disinfection of hospital, institutional,and household environments. They are also commonly found in germicidal soaps

Answer 2

Phenolics

Question 3

refers to a process that you are selectively eliminating only a predefined scope of microorganisms, may or may not be including spores

Answer 3

Disinfection

Question 4

method of choice for antibiotic solutions, toxic chemicals, radioisotopes, vaccines, and carbohydrates, which are all heat sensitive

Answer 4

Filtration

Question 5

used to sterilize items such as glassware,oil, petrolatum, or powders.

Answer 5

Dry heat

Question 6

Disinfectant level: Tuberculocidal

Answer 6

Intermediate

Question 7

Chemicals use to destroy microbial life for shorter
period or selective in its action

Answer 7

Disinfectants

Question 8

usually use as an eye drop solution.;for prophylactic treatment to prevent gonoccocal conjunctivitis in newborns but is now replace by erythromycin drop

Answer 8

Silver nitrate

Question 9

Tyndallization temp requirement

Answer 9

100°C for 30 min for 3 consecutive days

Question 10

action is mediated through disruption of thec ellular membrane, use as skin antiseptics and disinfectants

Answer 10

Detergents: Quaternary Ammonium Compounds

Question 11

referred to as the microbial load (bioburden)

Answer 11

Number of Organisms

Question 12

A drug or chemical that inhibits reproduction of
microorganisms, but does not kill necessarily kill
them

Answer 12

Microbistatic Agents

Question 13

biological indicator for autoclave

Answer 13

Bacillus steatothermophilus

Question 14

100°C for 30 min for 3 consecutive days; Alternates heating & incubation

Answer 14

Tyndallization

Question 15

materials that invade sterile tissues or enter the vascular system. These materials are most likely to produce infection if contaminated and require sterilization

Answer 15

Critical materials

Question 16

come into contact with mucous membranes, they require high-level disinfection agents

Answer 16

Semicritical materials

Question 17

For medical equipment such as bronchoscopes, because it does not corrodelenses, metal,

Answer 17

Glutaraldehyde

Question 18

used to sterilize bio hazardous trash and heat-stable objects;

Answer 18

Moist heat

Question 19

Moist heat method for media, liquids, & instruments

Answer 19

Autoclave at 121 deg Celsius at 15 psi for 15 min

Question 20

Temp for incineration

Answer 20

870°C- 980°C

Question 21

Inspissation temp requirement

Answer 21

76-80°C for 2 hours for 3 consecutive days

Question 22

A process that combines dehydration (drying) and
freezing; Use for some isolates to preserve for
further studies

Answer 22

Lyophilization

Question 23

used for sterilizing disposables such as plastic syringes, catheters, or gloves before use

Answer 23

Ionizing radiation

Question 24

organisms known today to be the most resistant to the actions of heat, chemicals, and radiation

Answer 24

Prions

Question 25

require intermediate-level to low-level disinfection before contact with intact skin

Answer 25

Noncritical materials

Question 26

Disinfectant level: Sporicidal

Answer 26

High

Question 27

Most common; safest method to ensure that no infective materials remain in samples or containers when disposed

Answer 27

Incineration

Question 28

refers to the destruction of all forms of life, including bacterial spores.

Answer 28

Sterilization

Question 29

Disinfectants that are used in living tissue (skin)

Answer 29

Antiseptics

Question 30

kill Mycobacterium tuberculosis various fungi, and inactivate certain enveloped viruses; however, they are not sporicidal and have poor activity against nonenveloped viruses

Answer 30

Alcohols (50%-70%)

Question 31

considered as a community of bacteria or other microorganisms;generally layers of microorganisms that often have a protective material over them that shields them from outside environmental factors

Answer 31

Biofilm

Question 32

used in gaseous form for sterilizing heat-sensitive objects

Answer 32

Ethylene oxide

Question 33

analysis of molecules, such as proteins and nucleic acids, for the detection, identification, and characterization of microorganisms to generate isolate-specific markers to assess epidemiologic relatedness

Answer 33

Molecular Epidemiology

Question 34

Biological indicator: Bacillus subtilis var.globigii

Answer 34

Ethylene oxide